28140119 has 4 divisors (see below), whose sum is σ = 32160144. Its totient is φ = 24120096.

The previous prime is 28140097. The next prime is 28140131. The reversal of 28140119 is 91104182.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28140119 - 2⁸ = 28139863 is a prime.

It is a super-2 number, since 2×28140119² = 1583732594668322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28140139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010002 + ... + 2010015.

It is an arithmetic number, because the mean of its divisors is an integer number (8040036).

Almost surely, 2^28140119 is an apocalyptic number.

28140119 is a deficient number, since it is larger than the sum of its proper divisors (4020025).

28140119 is an equidigital number, since it uses as much as digits as its factorization.

28140119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020024.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 28140119 is about 5304.7261003750. The cubic root of 28140119 is about 304.1645829427.

The spelling of 28140119 in words is "twenty-eight million, one hundred forty thousand, one hundred nineteen".